package execption;

import java.awt.*;
import java.io.FileNotFoundException;
import java.io.IOException;

public class ThrowsDemo {
    public void dosome()throws  IOException,AWTException, Exception {}
}
class Subclass extends ThrowsDemo{
    //public void dosome()throws IOException, AWTException{}

    //允许不再抛出任何异常
    //public void dosome(){}

    //允许抛出部分异常
    //public void dosome()throws IOException{}


    //允许抛出超类方法抛出异常的子类型异常
    public void dosome()throws Exception{}



}
